# ----------------------------------------------------------------------------
#         ATMEL Microcontroller Software Support  -  ROUSSET  -
# ----------------------------------------------------------------------------
# Copyright (c) 2006, Atmel Corporation
#
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
# - Redistributions of source code must retain the above copyright notice,
# this list of conditions and the disclaiimer below.
# 
# - Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the disclaimer below in the documentation and/or
# other materials provided with the distribution. 
# 
# Atmel's name may not be used to endorse or promote products derived from
# this software without specific prior written permission. 
# 
# DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
# DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
# OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# ----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
#  File Name           : Makefile
#  Object              : 
#  Creation            : FDy   10-Nov-2006
#-----------------------------------------------------------------------------

# TODO: set this appropriately for your local toolchain
ifndef ERASE_FCT
#ERASE_FCT=del /F
ERASE_FCT=rm
endif
ifndef CROSS_COMPILE
CROSS_COMPILE=arm-elf-
endif

TOOLCHAIN=gcc

OUTFILE_SDRAM=at91sam9260_getting_started_sdram


INCL=./include

# Comment the line below for debug mode
#OPTIM=-Os

ifeq ($(TOOLCHAIN), gcc)

AS=$(CROSS_COMPILE)gcc
CC=$(CROSS_COMPILE)gcc
#LD=$(CROSS_COMPILE)gcc
LD=$(CROSS_COMPILE)ld
NM= $(CROSS_COMPILE)nm
SIZE=$(CROSS_COMPILE)size
OBJCOPY=$(CROSS_COMPILE)objcopy
OBJDUMP=$(CROSS_COMPILE)objdump
CCFLAGS=-g -mcpu=arm9 $(OPTIM) -Wall -I$(INCL)
ASFLAGS=-D__ASSEMBLY__ -g -mcpu=arm9 -c $(OPTIM) -Wall -I$(INCL)

# Linker flags.
#  -Wl,...:     tell GCC to pass this to linker.
#    -Map:      create map file
#    --cref:    add cross reference to map file
#  -lc 	   : 	tells the linker to tie in newlib
#  -lgcc   : 	tells the linker to tie in newlib
#LDFLAGS+=-nostartfiles -Wl,--cref
LDFLAGS+=-nostartfiles, -Map=$(OUTFILE_SDRAM).map
#LDFLAGS+=-lc -lgcc
LDFLAGS+=-T elf32-littlearm.lds
OBJS=cstartup.o
endif

OBJS+= lowlevel.o \
       main.o

rebuild: clean all

all: sdram

sdram: $(OBJS)
	$(LD) $(LDFLAGS) -Ttext 0x20000000 -Tdata 0x200000 -n -o $(OUTFILE_SDRAM).elf $(OBJS)
	$(OBJCOPY) --strip-debug --strip-unneeded $(OUTFILE_SDRAM).elf -O binary $(OUTFILE_SDRAM).bin
	$(OBJDUMP) -d -S -D $(OUTFILE_SDRAM).elf > $(OUTFILE_SDRAM).disassembled

main.o: main.c 
	$(CC) -c $(CCFLAGS) main.c -o main.o

lowlevel.o: lowlevel.c
	$(CC) -c $(CCFLAGS) lowlevel.c -o lowlevel.o

cstartup.o:  cstartup.S
	$(AS) $(ASFLAGS) cstartup.S -o cstartup.o

clean:
	$(ERASE_FCT) *.o *.bin *.elf *.map *.disassembled
